NCERT solution for class 11 chapter 12 Introduction to 3D Geometry Exercise 12.1 Chapter 12 Introduction to 3d Geometry Maths Class 11 solutions are developed for assisting understudies with working on their score and increase knowledge of the subjects. EXERCISE 12.1 1. A point is on the x-axis. What are its y-coordinate and z-coordinates? 2. A point is in the XZ-plane. What can you say about its y-coordinate? 3. Name the octants in which the following points lie: (1,. 2, 3), (4, –2, 3), (4, –2, –5), (4, 2, –5), (– 4, 2, –5), (– 4, 2, 5), (–3, –1, 6) (2, – 4, –7). 4. Fill in the blanks: (i) The x-axis and y-axis taken together determine a plane known as_______. (ii) The coordinates of points in the XY-plane are of the form _______. (ii is solved by our expert teachers. You can get ncert solutions and notes for class 11 chapter 12 absolutely free. NCERT Solutions for class 11 Maths Chapter 12 Introduction to 3d Geometry is very essencial for getting good marks in CBSE Board examinations
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